// JS实现选项卡切换
    function init2(){
    var oUl1 = document.getElementById("list_tab");
    var aLi = oUl1.getElementsByTagName("li");
    var oDiv = document.getElementById("tab-list");
    var aDiv = oDiv.getElementsByTagName("div");
    for(var i = 0; i < aLi.length; i++) {
        aLi[i].index = i;
        aLi[i].onmouseover = function() {
            for(var i = 0; i < aLi.length; i++) {
                aLi[i].className = "";
            }
            this.className = "list_active";
            for(var j = 0; j < aDiv.length; j++) {
                aDiv[j].className = "hide";
            }
            aDiv[this.index].className = "show";
        }        
    }

}
